Given the function h(x) = √(x + 2), what is the domain of this function? A. x ≥ -2 B. x > -2 C. x ≥ 0 D. x > 0 相关知识点: 试题来源: 解析 A。对于函数 h(x),根号下的数必须非负,即 x + 2 ≥ 0,解得 x ≥ -2。反馈 收藏 ...
Whereas domain focuses on the x-values a function is defined on, range focuses on the y-values a function is defined on. If a function is a vending machine you can think of the range as the different candy bars that come out. Finding the domain and range is basically looking at the i...
A. The domain is \( \ x|x≥q 0,x∈ R\ \) , the range is \(y |y≥q 0,y∈ R\) . B. The domain is \( \ x|x≥q 1,x∈ R\ \) , the range is \(y |y≥q 1,y∈ R\ \) C. The domain is \( \ x|x>0,x∈ R\ \) , the range is \(y |y>0,y∈ R\ ...
百度试题 结果1 题目What is the function of a modem? A. To connect to the internet B. To store data C. To process calculations D. To play music 相关知识点: 试题来源: 解析 A. To connect to the internet 反馈 收藏
Given the following graph, what is the domain and range of the function? ( ) A. D=\( x∈ R|x≥q 0\) R=\( y∈ R\) B. D=\( x∈ R\) R=\( y∈ R/y≥q 0\) C. D=\( x∈ R\) R=\( y∈ R\) D. D=\( x∈ R/x≥q 0\) R=\( y∈ R/y≥q 0\) ...
(What is a function?) A function refers to a specific type of mathematical relationship that maps one set of inputs, known as the domain, to a corresponding set of outputs, known as the range. In simpler terms, a function takes an input va...
(1)What is the function of the questions in Paragraph 1?___A. To introduce the topic.B. To show the author's opinion.C. To provide background information of deciding a career.D. To discuss the differences between the two kinds of jobs.(2)Why does Olinger mention restaurant choosing?
What is the function of the conclusion? A. Introduce the topic B. Provide details C. Summarize the main points D. Give E. xamples 相关知识点: 试题来源: 解析 C。解析:结论的作用是总结文章的主要观点。引言部分引入主题,主体部分提供细节和例子。
A. To present the main idea. B. To provide examples. C. To summarize the content. D. To attract the reader's attention. 相关知识点: 试题来源: 解析 D。文章的引言部分主要是为了吸引读者的注意力,引出主题,而不是直接呈现主要观点、提供例子或总结内容。反馈...
A. To summarize the whole passage. B. To prove the author's argument. C. To lead in the main topic of the passage. D. To raise problems that will be solved later. 相关知识点: 试题来源: 解析 C推理判断题。本文第一段讲述的是作者在地铁上的一次偶遇,由此引出下文对“现代女性喜爱阅读言情...